Contact us
Close contact box
Connect ID #
135 036 947 4
Connect ID #
135 036 947 4
Don't wait on hold. We'll call you back when it's your turn to talk with the next available .
Please enter your name  
Please enter your phone number  
Please enter a message  

Calls may be recorded for training and quality control purposes.

We are located in Virginia USA.

Thank you. We will be calling you .
We're sorry. We have encountered a problem.

AudioQuest PowerQuest 3 Power line conditioner and surge protector

Item # 703PWRQST3

Whether your A/V system is basic or advanced, PowerQuest 3 makes thorough power protection convenient and affordable.

Whether your A/V system is basic or advanced, PowerQuest 3 makes thorough power protection convenient and affordable.

California customers:
Please click here for your Proposition 65 warning.

6 questions - 16 answers

Item # 703PWRQST3

In stock

About the AudioQuest PowerQuest 3

Steve Kindig

Protect your entertainment system

Whether your system is a basic TV/sound bar combo or a full-on home theater setup, AudioQuest's PowerQuest 3 makes advanced AC power protection convenient and affordable. It provides effectively twice the noise filtration of the PowerQuest 2.

Protect your entertainment system

Whether your system is a basic TV/sound bar combo or a full-on home theater setup, AudioQuest's PowerQuest 3 makes advanced AC power protection convenient and affordable. It provides effectively twice the noise filtration of the PowerQuest 2.

Unlike conventional designs, the PQ-3's non-sacrificial surge protection prevents both high voltage and current from damaging your gear, and ensures that the PowerQuest unit will not fail over time — which gives AudioQuest the confidence to provide a $1,000,000 connected equipment warranty.

The PowerQuest Extreme Voltage Shutdown feature continuously monitors incoming power. In the case of over-voltage (140V or higher), the power to your equipment is switched off. When voltage returns to a safe level, power is automatically reconnected. A handy switch also lets you manually cut power to all connected devices.

Advanced power filtration removes noise

The PowerQuest models were developed by AudioQuest's AC power guru, Garth Powell, who has designed some of the best power conditioners money can buy: AudioQuest's award-winning Niagara series.

Like AQ's lower-priced PQ-2, the PQ-3 filters out more line noise and distortion than typical conditioners, improving the sound and picture quality of connected devices. It handles the differential noise that is present on the utility AC line, or backwashed via your home's electronic appliances and components. And AQ's patented ground noise dissipation technology effectively deals with this elusive type of noise, too.

Where the PQ-3 exceeds the PQ-2 is in its ability to defeat "common-mode" noise. This type of RF noise is generated by cell towers, AM/FM, Bluetooth, and shortwave signals. The AC power leads pick this noise up like antennas.

The PQ-3's slim profile is designed to fit tight spaces and can be oriented either vertically or horizontally. The pre-attached high-quality AudioQuest power cord adds another small performance edge.


Product highlights:

  • Featured in our article: Best surge protectors for 2024
  • total of 8 protected AC power outlets
    • 2 high-current outlets for receivers, amps, sound bars, and powered subs
    • 2 4K/8K video-optimized linear filter outlets with additional ground noise dissipation technology to maximize TV/projector performance
    • 4 linear filter outlets for audio/video source components, computer, modem, or router
  • 1 set of coaxial RF input/output jacks for cable/satellite TV
  • 1 set of in/out RJ11 telephone jacks
  • 1 set of in/out RJ45 network jacks
  • 4 USB charging ports (2 top, 2 side)
  • PowerQuest Extreme Voltage Shutdown shuts off power when 140V or higher is detected, and auto-resets once incoming power is within a safe range
  • response time: 0.25 seconds
  • non-sacrificial surge protection can withstand multiple 6000V/3000A input surges (the maximum that can survive a building's AC electrical panel)
  • PowerQuest Ultra Linear noise filtering (addresses differential-mode, common-mode, and ground noise)
  • maximum current rating: 15 amps
  • 7-ft. high-quality AudioQuest power cord
  • 15-1/2"W x 3-3/16"H x 7-7/16"D
  • weight: 5.5 lbs.
  • lifetime $1,000,000 connected equipment warranty
  • PowerQuest 3 warranty: 5 years
  • MFR # PQ3

What's in the box:

  • AC power conditioner (attached 7' AC power cord)
  • Stand
  • User Manual
  • Mounting Template
  • Registration Card

Customer reviews for AudioQuest PowerQuest 3

Loading reviews...

Average review:

5.0 out of 5 stars
36 reviews

Thanks for submitting your review

Filter by rating

Customer photos

Customer provided image, click to load a larger version.
Customer provided image, click to load a larger version.

Sort reviews

Sort by:
Items per page:
View page:

Verified customer (What's this?)
Verified employee review (What's this?)

Reviewed on

This review was collected as part of a promotion



Crutchfield response
Customer provided image, click to load a larger version.
<< >>

More details on the AudioQuest PowerQuest 3

Mark G.

Features & specs

Type Strip
Total AC Outlets 8
Total Current Capacity 15
High-Current Outlets 2
USB Connections 4 USB-A
Coaxial RF Jacks Yes
Line Conditioning Yes
Joule Rating Unlimited
Powerline Network Compatible No
Connected Equipment Guarantee $1,000,000
Width (inches) 15-1/2
Height (inches) 3-3/16
Depth (inches) 7-7/16
Weight (pounds) 5.51
Parts Warranty 5 Years
Labor Warranty 5 Years

Product Research


8-Outlet Surge Protector: The PowerQuest 3 by AudioQuest is a 8-outlet surge protector and performance enhancer for your audio/video gear. It features two linear filtered 4K/8K video optimized outlets (1/5), four linear filter outlets (2/3/6/7), and two high-current outlets (4/8).

Non-Sacrificial Surge Protection: Unlike traditional surge protectors, non-sacrificial surge suppression prevents both high voltage and current from damaging your equipment, ensuring that the AudioQuest PowerQuest 3 won't fail over time. The PowerQuest can survive repeated 6000V/3000A input surges, which is the maximum that can survive a building's AC electrical panel.

Extreme Voltage Shutdown: 140VAC will activate the main power circuit relay to open within less than 0.25 seconds, automatically resetting once the incoming power is within a safe range.

Linear Filtration: The PowerQuest 3's power filtration removes more noise and distortion than most common power conditioners, dramatically improving your system's performance. The PowerQuest 3 is filter linearized for dynamic (rising) line impedance with frequency from 0.05 Ohms (source) and 10 to 50 Ohm load, (system current dependent).

  • Differential-Mode Noise Dissipation: Differential-Mode, Noise Dissipation technology offers a 22dB reduction from 30kHz-1GHz.
  • Common-Mode Noise Dissipation: Common-Mode Noise Dissipation tecnology offers a 22dB reduction from 30kHz-100MHz.

Dual 4K/8K Video Optimized Outlets: In addition to the Linear Filter, the PowerQuest 3 features two dedicated 4K/8K video optimized outlets for additional Noise-Dissipation technology to maximize TV performance.

Signal Line Protection: The PowerQuest 3 is equipped with a F-type coax input connector (75-ohm) and F-type coax output connector (75-ohm) for cable and satellite signal line protection. It also features a set of RJ11 in/out telephone jacks and a set of RJ45 network jacks.

Four USB Charging Ports: The AudioQuest PowerQuest 3 is outfitted with four high-speed USB (type-A) ports to charge your USB-enabled devices, such as your smartphone or tablet. The four USB ports have a total capacity of 4.8 amps.

7' AC Power Cord: The PowerQuest 3 includes an attached 7' AC power cord from AudioQuest that is directionally optimized and features concentric-geometry for exceptional performance.

Mounting Options: The PowerQuest 3 features both a slim profile and a rugged floor-mounting stand that makes it ideal for mounting behind cabinets. It can also be simply placed horizontally on a shelf without the stand, using its integrated rubber feet. In addition, the unit can mounted to a shelf, AV furniture, or wall using its two integrated keyhole slots (mounting screws not included).

Loading accessories...

Customer Q&A

6 questions already asked

Isn???t a 0.25 second response time insufficient for a power conditioner? Don???t I want something with a response time in the nanoseconds?
jeremy  Apr 06, 2023
4 answers
I think it a matter of preference! It was right for me.
eric  Apr 08, 2023
I replaced a monster surge unit with this one . I like that it was guaranteed to protect all equipment plugged into it. All my suppressors blew up. Totally unusable after the surge. They all protected the equipment but not them selves. I don't know how this unit will survive but that's why I bought this unit.
neil  Apr 06, 2023
Not sure what is meant by "response time" the 0.25 second or less is for extreme shutdown and will open the the circuit relay until voltage is a normalized/safe range. Not sure if you should be researching a surge protector rather than power line conditioner if seeking faster response times in case of power surges. IMO
frederico  Apr 06, 2023
Has a warranty up to $1 million does it really matter I think it???s a good product
steven  Apr 06, 2023
What is the joules rating for this model? Thank you for the accurate answer.
arthur  Aug 10, 2022
1 answer
Greetings Art, and thank you for your question. The Joule rating on the PowerQuest 3 is unlimited. A joule rating indicates how much energy it can absorb before it fails. The PowerQuest 3 can survive 6000V/3000A which is the maximum that can survive a building's AC electrical panel.
hogan  Aug 10, 2022 (Staff)
does it work with 220v ?
aviv  Jun 30, 2021
3 answers
adam  Jul 13, 2021
loran  Jun 30, 2021
Not this one. It has a 110VAC Plug on the end.
ken  Jun 30, 2021
Surge protectors have a life cycle depending on how many joules and how often the surge protectors are hit. I have whole house circuit breaker panel surge protectors. Will those surge protectors extend the life of this type of equipment? I understand whole house surge protetors do not smooth or condition electric supply. Protecting: LG NanoCell 90 Series 4K 86 inch TV, Home Theater amp and receiver, VHS and DVD players, Modem, Woofer, ROKU.
gary  Oct 07, 2020
3 answers
This Audioquest PowerQuest unit does have AudioQuest's non-sacrificial surge suppression technology. It will work without worry about the total joules that hit it over time.
jason  Oct 25, 2020 (Staff)
In my case I have a Tesla solar/battery system. They produce perfect sine wave electric power. I have three Audioquest Niagaras to help furthermore. The three are 7000 for the music system. In addition, I have another 7000 for the theater system, that is in a separate room. The PowerQuest 3 is being used for the bedroom tv and small audio system. All, including the PowerQuest 3, have helped the sound and vision of all the systems. As I understand, the Audioquest Niagaras do not lose their capability with time and use. All are very well designed and rugged. I recommend the Audioquest Niagaras without reservations.
jos?  Oct 22, 2020
If your whole House Circuit Breakers Stop the Surges B4 they have reached this Unit then I would say yes. However, to put your mind at ease, and to get it straight from the source, I would say Call the Manufacturer Directly and ask them... Eliminate the Doubt!!!!! I use this same unit but don???t have Whole House protection at the Service Panel...
ken  Oct 22, 2020
Hello, Can I plug my Bose Wave Music system into this and will it improve the sound quality of cds?
john  May 16, 2020
3 answers
Although this is a quality product and I highly recommend it. it???s not intended to improve sound but to eliminate unwanted noise/distortion caused by poor quality signal, power or poorly operating equipment that may be causing feedback through the current that Is running through your system. It is also designed to protect your equipment from spikes of current that may happen from time to time.
frank  May 18, 2020
Well... For the Past 35+ Years I???ve been purchasing Top of the Line Stereo Equipment from An extremely Hi End store, I have spent Countless Dollars on Cables, Stylist???s for phonographs, etc,etc,etc. Different this Different that, and for the life of me in My Home for just the basic living room area, I have ???NEVER??? Heard not one small tiny difference in sound Quality, NEVER!!! I would say, Plug the Wave into it, you Certainly won???t cause any Damage to it. As far as Sound Quality, I???d say you won???t hear a Thing Different! If you do I???d be surprised. However, It will be Protected!!! That Wave System Ain???t cheap so I???d say go for. Ken.
ken  May 16, 2020
You can plug anything into it, really. I can't say I noticed a difference running my sound or TV signals into it versus the wall plug or straight coax, but ultimately bought it for the potential to clean the signal and to protect my equipment in a surge. Hard to beat the $1M equipment guarantee.
matthew  May 16, 2020
Does it matter what I'm plugging into the pq3 and where? Meaning, if I plug the wrong plugs into the wrong sockets will something happen like catch on fire? Lol. I have a powered stereo speaker system (Audioengine HD3. Audioengine D1 DAC with W3 wireless adapter) a 4k TV, computer, powered TV antenna, PS4 Pro. I'm hoping to read the setup manual and figure the right plugs go into the right place?
bryant  May 14, 2020
2 answers
There should be no issues. Sockets classified as high current probably some additional feature for protection or isolation regarding high current equipment such as amplifiers. In my case I have both: a receiver I use for surround processing and listening to tv/movies, and my music amplifier. On the other hand, you should take into account all equipment you are going to connect since thethe sum of the equipment amps of all the equipment you use at any one time, should not exceed the amps capacity of the electric circuit you are using. In this case, you probably will experience some breaker tripping.
jaime  Sep 07, 2020
It does matter to some extent which ports are used to connect your gear. Given the list you provided, I do not expect any bad to happen should you not use the recommended port. Just may not get the clearest audio and video. We have technical support to help our customers install their gear and they can help make sure the gear is plugged into the proper ports.
jason  Jun 02, 2020 (Staff)

Loading articles...

Compare the sound